EP1331822A3 - Commutation sans coupure de flux de données modulables - Google Patents

Commutation sans coupure de flux de données modulables Download PDF

Info

Publication number
EP1331822A3
EP1331822A3 EP03000607A EP03000607A EP1331822A3 EP 1331822 A3 EP1331822 A3 EP 1331822A3 EP 03000607 A EP03000607 A EP 03000607A EP 03000607 A EP03000607 A EP 03000607A EP 1331822 A3 EP1331822 A3 EP 1331822A3
Authority
EP
European Patent Office
Prior art keywords
bitstreams
scalable
scalable video
switching
seamless switching
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03000607A
Other languages
German (de)
English (en)
Other versions
EP1331822B1 (fr
EP1331822A2 (fr
Inventor
Feng Wu
Shipeng Li
Xiaoyan Sun
Ya-Qin Zhang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Microsoft Technology Licensing LLC
Original Assignee
Microsoft Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Microsoft Corp filed Critical Microsoft Corp
Priority to EP20188134.9A priority Critical patent/EP3751848B1/fr
Publication of EP1331822A2 publication Critical patent/EP1331822A2/fr
Publication of EP1331822A3 publication Critical patent/EP1331822A3/fr
Application granted granted Critical
Publication of EP1331822B1 publication Critical patent/EP1331822B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234327—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into layers, e.g. base layer and one or more enhancement layers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
    • H04N21/2402—Monitoring of the downstream path of the transmission network, e.g. bandwidth available
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP03000607.6A 2002-01-25 2003-01-14 Commutation sans coupure de flux de données modulables Expired - Lifetime EP1331822B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20188134.9A EP3751848B1 (fr) 2002-01-25 2003-01-14 Commutation transparente de flux binaires vidéo modulables

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US35189102P 2002-01-25 2002-01-25
US351891P 2002-01-25
US186298 2002-06-27
US10/186,298 US6996173B2 (en) 2002-01-25 2002-06-27 Seamless switching of scalable video bitstreams

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP20188134.9A Division EP3751848B1 (fr) 2002-01-25 2003-01-14 Commutation transparente de flux binaires vidéo modulables

Publications (3)

Publication Number Publication Date
EP1331822A2 EP1331822A2 (fr) 2003-07-30
EP1331822A3 true EP1331822A3 (fr) 2004-01-07
EP1331822B1 EP1331822B1 (fr) 2020-07-29

Family

ID=26881953

Family Applications (2)

Application Number Title Priority Date Filing Date
EP03000607.6A Expired - Lifetime EP1331822B1 (fr) 2002-01-25 2003-01-14 Commutation sans coupure de flux de données modulables
EP20188134.9A Expired - Lifetime EP3751848B1 (fr) 2002-01-25 2003-01-14 Commutation transparente de flux binaires vidéo modulables

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20188134.9A Expired - Lifetime EP3751848B1 (fr) 2002-01-25 2003-01-14 Commutation transparente de flux binaires vidéo modulables

Country Status (2)

Country Link
US (3) US6996173B2 (fr)
EP (2) EP1331822B1 (fr)

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Also Published As

Publication number Publication date
US20060067401A1 (en) 2006-03-30
EP3751848A1 (fr) 2020-12-16
US20030142744A1 (en) 2003-07-31
US6996173B2 (en) 2006-02-07
US7830958B2 (en) 2010-11-09
EP1331822B1 (fr) 2020-07-29
US20060067402A1 (en) 2006-03-30
EP1331822A2 (fr) 2003-07-30
US8005138B2 (en) 2011-08-23
EP3751848B1 (fr) 2022-07-27

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